Users

public class User
{
        public int Id { get; set; }
        public string Login { get; private set; }
        public string Password { get; private set; }
        public string Name { get; set; }
        public string SirName { get; set; }

        List<Role> Roles { get; set; }
}

public class Role
    {
        public int Id { get; set; }
        public List<ActionTypes> ActionTypes { get; set; }
    }